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Platelet serotonin level and its correlation with finger length relation.

Devasis Ghosh1

  • 1Department of Psychiatry, Rehmatbai Hospital, 82A Raja Ram Mohan Roy Road, Kolkata - 700 082, India.

Indian Journal of Psychiatry
|October 14, 2009
PubMed
Summary

Lower platelet serotonin levels may indicate higher neuroticism. This study found significantly lower serotonin in individuals with specific finger measurements, suggesting it as a potential biomarker for neuroticism traits.

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Area of Science:

  • Neuroscience
  • Psychobiology
  • Biochemistry

Background:

  • Serotonin is a neurotransmitter linked to personality traits.
  • Platelets are considered accessible models of serotonergic neurons.
  • Psychobiological models often incorporate serotonin-related personality dimensions.

Purpose of the Study:

  • To investigate if platelet serotonin levels can serve as a marker for increased neuroticism.
  • To compare platelet serotonin in individuals with distinct little finger lengths relative to ring fingers.
  • To assess this potential marker in both males and females.

Main Methods:

  • Employed the Elisa Method for platelet serotonin estimation.
  • Recruited 48 healthy subjects (24 males, 24 females).
Keywords:
Finger lengths (4D and 5D)neuroticismpersonalityserotonin

Related Experiment Videos

  • Categorized subjects into Group A (little finger tip above ring finger) and Group C (little finger tip below ring finger).

    • Main Results:

    • Group C males exhibited significantly lower platelet serotonin levels compared to Group A males (p<0.05).
    • Group C females also showed significantly lower platelet serotonin levels than Group A females (p<0.05).
    • Statistical analysis utilized t-Tests to determine significance.

    Conclusions:

    • Platelet serotonin levels may function as a biochemical indicator of heightened neuroticism.
    • Findings suggest a correlation between specific physical traits (finger length) and neuroticism via serotonin levels.
    • Further research could validate platelet serotonin as a reliable neuroticism biomarker.